myosin myoseptum • myosin fibrin · · · Info · Definitions · Characters · · myosin · · Text Latin · · Script 6 · · Length 3 · · Syllables Definitions · · · (noun) the commonest protein in muscle; a globulin that combines with actin to form actomyosin. · · Noun Definition 1 Characters · · i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 y latin small letter y U+0079